Djoya Bertolt Brech

Data Scientist & Application Developer

My name is Djoya Bertolt Brech. I hold a degree from the École Nationale Supérieure Polytechnique de Douala, in Data Science and Artificial Intelligence. I am a data scientist and application developer based in Douala, Cameroon. My expertise covers data analysis, the design of artificial intelligence models, and the development of business applications, including ERP-type systems. I work independently or through a small team on client projects. Current projects: - Lead developer on a 12-module web ERP system (Laravel) for an agro-industrial client - Responsible for web development, AI chatbot integration, and marketing content production for a bakery-pastry business - Technical redesign of an immigration consulting firm's website - Author of a research thesis applying reinforcement learning (PPO) to portfolio optimization on the BRVM, comparing softmax and sparsemax functions